AQSQID: 401090097

Site Name: Near Road Okc

Location: Oklahoma City, OK

Reporting: True, Located: True

Current AQI: 20.0

Oklahoma City OK, US: 35.502968, -97.577674

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
July 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
July 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 25.0 μg/m3 (23) 10.3 μg/m3 (43) 43.0
 
July 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 40.0 μg/m3 (36) 13.3 μg/m3 (53) 53.0
 
July 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 42.0 μg/m3 (38) 13.9 μg/m3 (54) 54.0
 
July 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 41.0 μg/m3 (37) 13.6 μg/m3 (53) 53.0
 
July 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 41.0 μg/m3 (37) 13.5 μg/m3 (53) 53.0
 
July 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 85.0 μg/m3 (65) 18.5 μg/m3 (64) 65.0
 
July 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 76.0 μg/m3 (60) 16.8 μg/m3 (60) 60.0
 
July 22, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 38.0 μg/m3 (35) 13.5 μg/m3 (53) 53.0
 
July 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 40.0 μg/m3 (36) 13.4 μg/m3 (53) 53.0
 
July 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 37.0 μg/m3 (34) 12.6 μg/m3 (51) 51.0
 
July 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 41.0 μg/m3 (37) 13.8 μg/m3 (54) 54.0
 
July 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 45.0 μg/m3 (41) 14.8 μg/m3 (56) 56.0
 
July 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 41.0 μg/m3 (37) 14.3 μg/m3 (55) 55.0
 
July 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 42.0 μg/m3 (38) 14.0 μg/m3 (54) 54.0
 
July 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 40.0 μg/m3 (36) 13.8 μg/m3 (54) 54.0
 
July 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 41.0 μg/m3 (37) 13.8 μg/m3 (54) 54.0
 
July 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 42.0 μg/m3 (38) 14.2 μg/m3 (55) 55.0
 
July 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 40.0 μg/m3 (36) 14.0 μg/m3 (54) 54.0
 
July 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 35.0 μg/m3 (32) 13.5 μg/m3 (53) 53.0
 
July 21, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 31.0 μg/m3 (28) 12.9 μg/m3 (52) 52.0
 
July 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 30.0 μg/m3 (27) 12.8 μg/m3 (52) 52.0
 
July 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
July 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
July 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 29.0 μg/m3 (26) 11.3 μg/m3 (47) 47.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 28.0 μg/m3 (25) 10.7 μg/m3 (45) 45.0
 
July 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 30.0 μg/m3 (27) 10.4 μg/m3 (43) 43.0
 
July 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 27.0 μg/m3 (25) 10.5 μg/m3 (44) 44.0
 
July 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 30.0 μg/m3 (27) 10.8 μg/m3 (45) 45.0
 
July 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 30.0 μg/m3 (27) 10.3 μg/m3 (43) 43.0
 
July 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 24.0 μg/m3 (22) 9.1 μg/m3 (38) 38.0
 
July 21, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 26.0 μg/m3 (24) 8.4 μg/m3 (35) 35.0
 
July 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 25.0 μg/m3 (23) 8.3 μg/m3 (35) 35.0
 
July 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 28.0 μg/m3 (25) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 41.0 μg/m3 (37) 14.4 μg/m3 (55) 55.0
 
July 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 30.0 μg/m3 (27) 9.5 μg/m3 (40) 40.0
 
July 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 31.0 μg/m3 (28) 9.8 μg/m3 (41) 41.0
 
July 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 34.0 μg/m3 (31) 10.8 μg/m3 (45) 45.0
 
July 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 37.0 μg/m3 (34) 10.5 μg/m3 (44) 44.0
 
July 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 32.0 μg/m3 (29) 10.1 μg/m3 (42) 42.0
 
July 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 27.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
July 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 25.0 μg/m3 (23) 8.5 μg/m3 (35) 35.0
 
July 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 24.0 μg/m3 (22) 8.0 μg/m3 (33) 33.0
 
July 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
July 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 18.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 20.0 μg/m3 (18) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 6.8 μg/m3 (28) 28.0
 
July 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 26.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
July 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 24.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
July 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 24.0 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
July 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 27.0 μg/m3 (25) 6.5 μg/m3 (27) 27.0
 
July 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 24.0 μg/m3 (22) 7.3 μg/m3 (30) 30.0
 
July 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 28.0 μg/m3 (25) 8.9 μg/m3 (37) 37.0
 
July 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 42.0 μg/m3 (38) 10.4 μg/m3 (43) 43.0
 
July 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 42.0 μg/m3 (38) 11.2 μg/m3 (47) 47.0
 
July 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 45.0 μg/m3 (41) 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 43.0 μg/m3 (39) 11.8 μg/m3 (49) 49.0
 
July 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 46.0 μg/m3 (42) 11.3 μg/m3 (47) 47.0
 
July 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 45.0 μg/m3 (41) 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 35.0 μg/m3 (32) 9.2 μg/m3 (38) 38.0
 
July 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 37.0 μg/m3 (34) 8.9 μg/m3 (37) 37.0
 
July 19, 2019, noon 35.0 ppb (32) 22.0 ppb (20) N/A 13.0 ppb (12) N/A N/A N/A 0.7 ppb (8) 32.0 μg/m3 (29) 8.8 μg/m3 (37) 37.0
 
July 19, 2019, 11 a.m. 39.0 ppb (36) 24.0 ppb (22) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) 27.0 μg/m3 (25) 7.9 μg/m3 (33) 36.0
 
July 19, 2019, 10 a.m. 26.0 ppb (24) 13.0 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
July 19, 2019, 9 a.m. 20.0 ppb (19) 8.0 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
July 19, 2019, 8 a.m. 13.0 ppb (12) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
July 19, 2019, 7 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) 16.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
July 19, 2019, 6 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) 17.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
July 19, 2019, 5 a.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) 18.0 μg/m3 (16) 6.5 μg/m3 (27) 27.0
 
July 19, 2019, 4 a.m. 16.0 ppb (15) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) 20.0 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
July 19, 2019, 3 a.m. 22.0 ppb (20) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 7.1 μg/m3 (30) 30.0
 
July 19, 2019, 2 a.m. 26.0 ppb (24) 13.0 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 21.0 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
July 19, 2019, 1 a.m. 27.0 ppb (25) 15.0 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) 22.0 μg/m3 (20) 7.2 μg/m3 (30) 30.0
 
July 19, 2019, midnight 31.0 ppb (29) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.7 ppb (8) 25.0 μg/m3 (23) 7.4 μg/m3 (31) 31.0
 
July 18, 2019, 11 p.m. 33.0 ppb (31) 20.0 ppb (19) N/A 12.0 ppb (11) N/A N/A N/A 0.7 ppb (8) 26.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
July 18, 2019, 10 p.m. 30.0 ppb (28) 17.0 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 26.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
July 18, 2019, 9 p.m. 30.0 ppb (28) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 30.0 μg/m3 (27) 8.3 μg/m3 (35) 35.0
 
July 18, 2019, 8 p.m. 37.0 ppb (34) 24.0 ppb (22) N/A 13.0 ppb (12) N/A N/A N/A 0.7 ppb (8) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 7 p.m. 31.0 ppb (29) 20.0 ppb (19) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) 45.0 μg/m3 (41) 9.2 μg/m3 (38) 41.0
 
July 18, 2019, 6 p.m. 28.0 ppb (26) 17.0 ppb (16) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) 42.0 μg/m3 (38) 9.5 μg/m3 (40) 40.0
 
July 18, 2019, 5 p.m. 24.0 ppb (22) 14.0 ppb (13) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) 39.0 μg/m3 (35) 8.4 μg/m3 (35) 35.0
 
July 18, 2019, 4 p.m. 16.0 ppb (15) 9.0 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) 39.0 μg/m3 (35) 8.1 μg/m3 (34) 35.0
 
July 18, 2019, 3 p.m. 21.0 ppb (19) 13.0 ppb (12) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) 36.0 μg/m3 (33) 8.3 μg/m3 (35) 35.0
 
July 18, 2019, 2 p.m. 15.0 ppb (14) 9.0 ppb (8) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) 32.0 μg/m3 (29) 8.2 μg/m3 (34) 34.0
 
July 18, 2019, 1 p.m. 28.0 ppb (26) 19.0 ppb (18) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) 33.0 μg/m3 (30) 8.8 μg/m3 (37) 37.0
 
July 18, 2019, noon 55.0 ppb (51) 40.0 ppb (37) N/A 15.0 ppb (14) N/A N/A N/A 0.9 ppb (10) 35.0 μg/m3 (32) 9.9 μg/m3 (41) 51.0
 
July 18, 2019, 11 a.m. 51.0 ppb (47) 34.0 ppb (31) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) 28.0 μg/m3 (25) 9.4 μg/m3 (39) 47.0
 
July 18, 2019, 10 a.m. 26.0 ppb (24) 13.0 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 9 a.m. 19.0 ppb (18) 8.0 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) 19.0 μg/m3 (17) 8.4 μg/m3 (35) 35.0
 
July 18, 2019, 8 a.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
July 18, 2019, 7 a.m. 14.0 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
July 18, 2019, 6 a.m. 12.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
July 18, 2019, 5 a.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
July 18, 2019, 4 a.m. 14.0 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
July 18, 2019, 3 a.m. 17.0 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 7.5 μg/m3 (31) 31.0
 
July 18, 2019, 2 a.m. 26.0 ppb (24) 14.0 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 7.3 μg/m3 (30) 30.0
 
July 18, 2019, 1 a.m. 28.0 ppb (26) 15.0 ppb (14) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
July 18, 2019, midnight 39.0 ppb (36) 24.0 ppb (22) N/A 14.0 ppb (13) N/A N/A N/A 0.7 ppb (8) 27.0 μg/m3 (25) 9.6 μg/m3 (40) 40.0
 
July 17, 2019, 11 p.m. 45.0 ppb (42) 27.0 ppb (25) N/A 17.0 ppb (16) N/A N/A N/A 0.9 ppb (10) 29.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
July 17, 2019, 10 p.m. 28.0 ppb (26) 14.0 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
July 17, 2019, 9 p.m. 31.0 ppb (29) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 31.0 μg/m3 (28) 10.5 μg/m3 (44) 44.0
 
July 17, 2019, 8 p.m. 31.0 ppb (29) 19.0 ppb (18) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 32.0 μg/m3 (29) 10.5 μg/m3 (44) 44.0
 
July 17, 2019, 7 p.m. 30.0 ppb (28) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 34.0 μg/m3 (31) 10.5 μg/m3 (44) 44.0
 
July 17, 2019, 6 p.m. 29.0 ppb (27) 17.0 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 36.0 μg/m3 (33) 11.1 μg/m3 (46) 46.0
 
July 17, 2019, 5 p.m. 35.0 ppb (32) 21.0 ppb (19) N/A 13.0 ppb (12) N/A N/A N/A N/A 40.0 μg/m3 (36) 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 4 p.m. 22.0 ppb (20) 12.0 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A N/A 37.0 μg/m3 (34) 11.2 μg/m3 (47) 47.0
 
July 17, 2019, 3 p.m. 34.0 ppb (31) 20.0 ppb (19) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 44.0 μg/m3 (40) 11.6 μg/m3 (48) 48.0
 
July 17, 2019, 2 p.m. 23.0 ppb (21) 13.0 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) 39.0 μg/m3 (35) 11.3 μg/m3 (47) 47.0
 
July 17, 2019, 1 p.m. 30.0 ppb (28) 18.0 ppb (17) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) 36.0 μg/m3 (33) 11.3 μg/m3 (47) 47.0
 
July 17, 2019, noon 36.0 ppb (33) 20.0 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) 37.0 μg/m3 (34) 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 11 a.m. 45.0 ppb (42) 25.0 ppb (23) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) 30.0 μg/m3 (27) 11.3 μg/m3 (47) 47.0
 
July 17, 2019, 10 a.m. 35.0 ppb (32) 16.0 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) 26.0 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
July 17, 2019, 9 a.m. 22.0 ppb (20) 7.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) 25.0 μg/m3 (23) 10.5 μg/m3 (44) 44.0
 
July 17, 2019, 8 a.m. 15.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) 23.0 μg/m3 (21) 10.1 μg/m3 (42) 42.0
 
July 17, 2019, 7 a.m. 17.0 ppb (16) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) 24.0 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
July 17, 2019, 6 a.m. 17.0 ppb (16) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 5 a.m. 21.0 ppb (19) 7.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) 26.0 μg/m3 (24) 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 4 a.m. 22.0 ppb (20) 7.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) 28.0 μg/m3 (25) 11.6 μg/m3 (48) 48.0
 
July 17, 2019, 3 a.m. 28.0 ppb (26) 11.0 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
July 17, 2019, 2 a.m. 32.0 ppb (30) 15.0 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) 30.0 μg/m3 (27) 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 1 a.m. 33.0 ppb (31) 14.0 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, midnight 39.0 ppb (36) 17.0 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.8 ppb (9) 32.0 μg/m3 (29) 12.1 μg/m3 (50) 50.0
 
July 16, 2019, 11 p.m. 45.0 ppb (42) 21.0 ppb (19) N/A 23.0 ppb (21) N/A N/A N/A 0.9 ppb (10) 34.0 μg/m3 (31) 12.4 μg/m3 (51) 51.0
 
July 16, 2019, 10 p.m. 38.0 ppb (35) 17.0 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.6 ppb (7) 30.0 μg/m3 (27) 13.1 μg/m3 (52) 52.0
 
July 16, 2019, 9 p.m. 35.0 ppb (32) 17.0 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.7 ppb (8) 36.0 μg/m3 (33) 12.4 μg/m3 (51) 51.0
 
July 16, 2019, 8 p.m. 37.0 ppb (34) 17.0 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) 33.0 μg/m3 (30) 10.9 μg/m3 (45) 45.0
 
July 16, 2019, 7 p.m. 37.0 ppb (34) 16.0 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) 31.0 μg/m3 (28) 9.5 μg/m3 (40) 40.0
 
July 16, 2019, 6 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) 28.0 μg/m3 (25) 8.5 μg/m3 (35) 35.0
 
July 16, 2019, 5 p.m. 14.0 ppb (13) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) 31.0 μg/m3 (28) 8.2 μg/m3 (34) 34.0
 
July 16, 2019, 4 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) 42.0 μg/m3 (38) 8.7 μg/m3 (36) 38.0
 
July 16, 2019, 3 p.m. 23.0 ppb (21) 8.0 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) 78.0 μg/m3 (62) 10.2 μg/m3 (42) 62.0
 
July 16, 2019, 2 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) 38.0 μg/m3 (35) 7.2 μg/m3 (30) 35.0
 
July 16, 2019, 1 p.m. 30.0 ppb (28) 15.0 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) 35.0 μg/m3 (32) 6.2 μg/m3 (26) 32.0
 
July 16, 2019, noon 58.0 ppb (54) 42.0 ppb (39) N/A 16.0 ppb (15) N/A N/A N/A 0.8 ppb (9) 29.0 μg/m3 (26) 6.4 μg/m3 (27) 54.0
 
July 16, 2019, 11 a.m. 54.0 ppb (50) 40.0 ppb (37) N/A 14.0 ppb (13) N/A N/A N/A 0.8 ppb (9) 27.0 μg/m3 (25) 5.9 μg/m3 (25) 50.0
 
July 16, 2019, 10 a.m. 42.0 ppb (39) 30.0 ppb (28) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 39.0
 
July 16, 2019, 9 a.m. 24.0 ppb (22) 13.0 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) 17.0 μg/m3 (15) 4.7 μg/m3 (20) 22.0
 
July 16, 2019, 8 a.m. 15.0 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) 20.0 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
July 16, 2019, 7 a.m. 13.0 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
July 16, 2019, 6 a.m. 11.0 ppb (10) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
July 16, 2019, 5 a.m. 15.0 ppb (14) 8.0 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) 18.0 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
July 16, 2019, 4 a.m. 15.0 ppb (14) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 3 a.m. 29.0 ppb (27) 15.0 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 27.0
 
July 16, 2019, 2 a.m. 31.0 ppb (29) 17.0 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 5.6 μg/m3 (23) 29.0
 
July 16, 2019, 1 a.m. 24.0 ppb (22) 13.0 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 5.1 μg/m3 (21) 22.0
 
July 16, 2019, midnight 32.0 ppb (30) 18.0 ppb (17) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 22.0 μg/m3 (20) 5.3 μg/m3 (22) 30.0
 
July 15, 2019, 11 p.m. 29.0 ppb (27) 16.0 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) 19.0 μg/m3 (17) 4.8 μg/m3 (20) 27.0
 
July 15, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 18.0
 
July 15, 2019, 9 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 4.6 μg/m3 (19) 19.0
 
July 15, 2019, 8 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 7 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
July 15, 2019, 6 p.m. 19.0 ppb (18) 11.0 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) 16.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
July 15, 2019, 5 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 4.6 μg/m3 (19) 19.0
 
July 15, 2019, 4 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
July 15, 2019, 3 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
July 15, 2019, 2 p.m. 12.0 ppb (11) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 4.6 μg/m3 (19) 19.0
 
July 15, 2019, 1 p.m. 50.0 ppb (46) 38.0 ppb (35) N/A 12.0 ppb (11) N/A N/A N/A 0.7 ppb (8) 20.0 μg/m3 (18) 4.7 μg/m3 (20) 46.0
 
July 15, 2019, noon 48.0 ppb (44) 37.0 ppb (34) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) 17.0 μg/m3 (15) 4.5 μg/m3 (19) 44.0
 
July 15, 2019, 11 a.m. 55.0 ppb (51) 44.0 ppb (41) N/A 10.0 ppb (9) N/A N/A N/A 0.7 ppb (8) 17.0 μg/m3 (15) 4.9 μg/m3 (20) 51.0